There are 3 G751 2.5 cage options. Any cage will fit in either bay and may have to be turned one way or the other as the tabs are all different lengths like the oem cage. This one will fit The Samsung 850 pro or evo and most other SSDs as long as they have a height of 7mm or less and a width of 70mm or less and any length. This is the strongest choice and therefore uses the most material making it the most expensive option nut is ideal for protecting drives.